This autographed Riddell Lunar Eclipse Alternate speed mini helmet has been personally hand-signed by former member of the Detroit Lions, T.J. Hockenson. This autograph is certified by Beckett Authentication Services (BAS) Witness Certification. That means that a Beckett representative was present when this item was signed. It comes with the numbered authentication hologram with a QR code that verifies the authentication on the Beckett website.